https://catalogue-scientifique.canada.ca/record=1618995~S6*frc
Rechercher GIS World, Inc; Rechercher International Cartographic Association; Rechercher International Geographical Union. Commission on GIS; Rechercher Moskovskiĭ gosudarstvennyĭ universitet im. M.V. Lomonosova. Dept. of Cartography and Geoinformatics; Rechercher IGU Commission on GIS; Rechercher Georam; Rechercher Rossiĭskiĭ fond fundamentalʹnykh issledovaniĭ
GIS World Books, 1994
Actes de conférence